Question

find the class marks of classes 10-25 and 35-5​

Answer 1

class mark=lowerlimit +upper limit/2

(i) class mark=10+25/2

=35/2

=17.5

(ii) class mark=35+5/2

=40/2

=20

hence the class mark of first=17.5,second=20

Answer 2

Answer:

classes class marks

10-25 17.5

35-5 20

Step by step Explanation:

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class marks = lower limit + upper limit/2

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10-25 = 10 + 25 /2 = 35/2 = 17.5

35-5 = 35 + 5 /2 = 40/2 = 20.